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        <!-- 导航栏 -->
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            <div class="container mx-auto px-4 py-3 flex items-center justify-between glass border-b border-white/10">
                <div class="flex items-center space-x-2">
                    <div class="w-10 h-10 rounded-lg bg-primary flex items-center justify-center">
                        <i class="fa fa-exchange text-white text-xl"></i>
                    </div>
                    <h1 class="text-xl font-bold bg-gradient-to-r from-primary to-success bg-clip-text text-transparent">USDT<span class="text-sm font-normal ml-1">Market</span></h1>
                </div>
                
                <nav class="hidden md:flex items-center space-x-8">
                    <a href="index.html" class="text-white/70 hover:text-primary transition-colors">闪兑</a>
                    <a href="buy.html" class="text-white/70 hover:text-primary transition-colors">购买USDT</a>
                    <a href="sale.html" class="text-white/70 hover:text-primary transition-colors">出售USDT</a>
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                            <span class="hidden md:inline">用户12345</span>
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        <!-- 主内容区 -->
        <main class="container mx-auto px-4 pt-24 pb-16">
            <!-- 面包屑导航 -->
            <div class="mb-8 text-sm text-white/60">
                <a href="#" class="hover:text-primary transition-colors">首页</a> &gt; <span class="text-white">帮助中心</span>
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            <!-- 页面标题 -->
            <div class="mb-12 text-center">
                <h2 class="text-[clamp(1.8rem,4vw,2.5rem)] font-bold mb-4">帮助中心</h2>
                <p class="text-white/80 max-w-2xl mx-auto">查找常见问题的答案，了解平台功能和使用方法，获取交易安全提示</p>
            </div>
            
            <!-- 搜索框 -->
            <div class="max-w-3xl mx-auto mb-12">
                <div class="relative">
                    <input type="text" placeholder="搜索常见问题..." class="w-full bg-dark rounded-xl px-6 py-4 pl-12 text-white border border-white/10 focus:outline-none focus:ring-2 focus:ring-primary">
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                <div class="mt-4 flex flex-wrap gap-2 justify-center">
                    <span class="px-3 py-1 rounded-full bg-white/10 text-white/70 text-sm cursor-pointer hover:bg-white/20 transition-colors">如何购买USDT？</span>
                    <span class="px-3 py-1 rounded-full bg-white/10 text-white/70 text-sm cursor-pointer hover:bg-white/20 transition-colors">如何出售USDT？</span>
                    <span class="px-3 py-1 rounded-full bg-white/10 text-white/70 text-sm cursor-pointer hover:bg-white/20 transition-colors">资金安全保障</span>
                    <span class="px-3 py-1 rounded-full bg-white/10 text-white/70 text-sm cursor-pointer hover:bg-white/20 transition-colors">交易手续费</span>
                    <span class="px-3 py-1 rounded-full bg-white/10 text-white/70 text-sm cursor-pointer hover:bg-white/20 transition-colors">账户认证</span>
                </div>
            </div>
            
            <!-- 帮助中心分类 -->
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-12">
                <a href="#buy-sell" class="bg-dark-blue rounded-xl p-6 border border-white/10 card-hover text-center">
                    <div class="w-16 h-16 rounded-full bg-primary/20 flex items-center justify-center text-primary text-2xl mx-auto mb-4">
                        <i class="fa fa-exchange"></i>
                    </div>
                    <h3 class="text-lg font-bold mb-2">交易流程</h3>
                    <p class="text-white/70 text-sm">了解如何购买和出售USDT，查看交易流程和注意事项</p>
                </a>
                
                <a href="#account" class="bg-dark-blue rounded-xl p-6 border border-white/10 card-hover text-center">
                    <div class="w-16 h-16 rounded-full bg-primary/20 flex items-center justify-center text-primary text-2xl mx-auto mb-4">
                        <i class="fa fa-user-circle-o"></i>
                    </div>
                    <h3 class="text-lg font-bold mb-2">账户管理</h3>
                    <p class="text-white/70 text-sm">查看账户设置、实名认证、绑定收款方式等相关问题</p>
                </a>
                
                <a href="#security" class="bg-dark-blue rounded-xl p-6 border border-white/10 card-hover text-center">
                    <div class="w-16 h-16 rounded-full bg-primary/20 flex items-center justify-center text-primary text-2xl mx-auto mb-4">
                        <i class="fa fa-shield"></i>
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                    <h3 class="text-lg font-bold mb-2">安全保障</h3>
                    <p class="text-white/70 text-sm">了解平台安全措施、风险提示和资金保障机制</p>
                </a>
                
                <a href="#fees" class="bg-dark-blue rounded-xl p-6 border border-white/10 card-hover text-center">
                    <div class="w-16 h-16 rounded-full bg-primary/20 flex items-center justify-center text-primary text-2xl mx-auto mb-4">
                        <i class="fa fa-money"></i>
                    </div>
                    <h3 class="text-lg font-bold mb-2">费用说明</h3>
                    <p class="text-white/70 text-sm">查看交易手续费、提现费用和其他相关收费标准</p>
                </a>
            </div>
            
            <!-- 常见问题部分 -->
            <section id="buy-sell" class="mb-16">
                <h2 class="text-2xl font-bold mb-8">交易流程</h2>
                
                <div class="space-y-4">
                    <!-- 问题1 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">如何开始在平台上出售USDT？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>1. 首先确保您已完成实名认证和绑定至少一种收款方式（支付宝、微信或银行卡）</p>
                                <p>2. 进入"出售USDT"页面，查看买家的报价</p>
                                <p>3. 选择合适的买家和价格，输入出售数量，点击"立即出售"</p>
                                <p>4. 确认订单信息，等待买家付款</p>
                                <p>5. 买家付款后，确认您的收款账户已收到款项，然后点击"已收款"</p>
                                <p>6. 系统将自动释放USDT给买家，完成交易</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题2 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">购买USDT的流程是什么？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>1. 进入"购买USDT"页面，浏览卖家的报价</p>
                                <p>2. 选择合适的卖家和价格，输入购买数量，点击"立即购买"</p>
                                <p>3. 确认订单信息，系统将暂时冻结卖家的USDT</p>
                                <p>4. 按照卖家提供的收款信息进行付款</p>
                                <p>5. 付款完成后，在订单页面点击"已付款"</p>
                                <p>6. 卖家确认收款后，系统将释放USDT到您的账户</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题3 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">交易过程中可以取消订单吗？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>在交易的不同阶段，取消订单的规则如下：</p>
                                <p>1. 买家未付款前，买家可以随时取消订单</p>
                                <p>2. 买家付款后，卖家确认收款前，双方需协商一致后由买家取消订单</p>
                                <p>3. 卖家确认收款后，订单无法取消，交易将继续进行</p>
                                <p>4. 若交易超时未完成，系统将自动取消订单并释放资金</p>
                                <p>请注意，频繁取消订单可能会影响您的账户信誉</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题4 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">交易超时会发生什么？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>1. 买家下单后，有30分钟时间完成付款，超时未付款订单将自动取消</p>
                                <p>2. 买家付款后，卖家有2小时时间确认收款，超时未确认系统将自动确认并释放USDT</p>
                                <p>3. 若交易过程中出现争议，提交客服介入后，客服将在24-48小时内处理</p>
                                <p>建议在交易前确保您有足够的时间完成操作，避免因超时导致不必要的麻烦</p>
                            </div>
                        </div>
                    </div>
                </div>
            </section>
            
            <section id="account" class="mb-16">
                <h2 class="text-2xl font-bold mb-8">账户管理</h2>
                
                <div class="space-y-4">
                    <!-- 问题1 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">如何完成实名认证？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>完成实名认证需要以下步骤：</p>
                                <p>1. 登录账户后，点击右上角头像，选择"账户设置"</p>
                                <p>2. 在左侧菜单中选择"实名认证"</p>
                                <p>3. 填写真实姓名、身份证号码等个人信息</p>
                                <p>4. 上传身份证正反面照片和手持身份证照片</p>
                                <p>5. 等待平台审核，审核时间通常为1-3个工作日</p>
                                <p>请注意，上传的照片需清晰可见，信息完整，否则可能导致审核不通过</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题2 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">如何添加和管理我的收款方式？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>添加和管理收款方式的步骤如下：</p>
                                <p>1. 登录账户后，点击右上角头像，选择"账户设置"</p>
                                <p>2. 在左侧菜单中选择"收款方式"</p>
                                <p>3. 点击"添加收款方式"，选择您想添加的方式（支付宝、微信或银行卡）</p>
                                <p>4. 填写相应的账户信息，如支付宝账号、微信账号或银行卡信息</p>
                                <p>5. 确认信息无误后提交，部分方式可能需要进行验证</p>
                                <p>您可以添加多种收款方式，并设置默认收款方式。在交易时，买家将看到您设置的收款信息</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题3 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">如何绑定邮箱和手机号码？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>绑定邮箱和手机号码可以提高账户安全性，步骤如下：</p>
                                <p>1. 登录账户后，点击右上角头像，选择"账户设置"</p>
                                <p>2. 在左侧菜单中选择"安全设置"</p>
                                <p>3. 在"邮箱绑定"和"手机绑定"选项中，点击"绑定"</p>
                                <p>4. 输入您的邮箱地址或手机号码，点击发送验证码</p>
                                <p>5. 输入收到的验证码，点击确认完成绑定</p>
                                <p>绑定后，您可以使用邮箱或手机号码登录账户，并接收重要通知</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题4 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">如何修改账户密码？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>修改账户密码的步骤如下：</p>
                                <p>1. 登录账户后，点击右上角头像，选择"账户设置"</p>
                                <p>2. 在左侧菜单中选择"安全设置"</p>
                                <p>3. 在"密码管理"部分，点击"修改密码"</p>
                                <p>4. 输入当前密码、新密码和确认新密码</p>
                                <p>5. 点击确认，密码修改成功后需要使用新密码登录</p>
                                <p>请确保您的密码强度足够，包含字母、数字和特殊字符，长度不少于8位</p>
                            </div>
                        </div>
                    </div>
                </div>
            </section>
            
            <section id="security" class="mb-16">
                <h2 class="text-2xl font-bold mb-8">安全保障</h2>
                
                <div class="space-y-4">
                    <!-- 问题1 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">平台如何保障交易安全？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>我们采取多种措施保障用户交易安全：</p>
                                <p>1. 平台担保交易：所有交易资金由平台托管，确保双方权益</p>
                                <p>2. 实名认证：所有用户必须完成实名认证才能进行交易</p>
                                <p>3. 资金安全：平台采用多重加密技术保护用户资金和个人信息</p>
                                <p>4. 交易监控：实时监控交易行为，识别和防范异常交易</p>
                                <p>5. 争议解决：提供专业的客服团队处理交易争议，保障公平公正</p>
                                <p>6. 安全提示：为用户提供交易安全指南，提醒用户注意防范风险</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题2 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">什么是平台担保交易？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>平台担保交易是一种安全的交易模式，流程如下：</p>
                                <p>1. 买家下单后，平台暂时冻结卖家的USDT</p>
                                <p>2. 买家按照卖家提供的收款信息进行付款</p>
                                <p>3. 买家确认付款后，卖家需要确认是否收到款项</p>
                                <p>4. 卖家确认收款后，平台将USDT释放给买家</p>
                                <p>5. 整个过程中，资金由平台托管，确保双方权益</p>
                                <p>若交易过程中出现争议，平台将介入调查并根据证据进行处理</p>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 问题3 -->
                    <div class="faq-item bg-dark-blue rounded-xl border border-white/10 overflow-hidden">
                        <button class="w-full px-6 py-4 text-left flex justify-between items-center focus:outline-none" onclick="toggleFaq(this)">
                            <span class="font-medium">交易过程中需要注意哪些安全问题？</span>
                            <i class="fa fa-plus text-primary transition-transform duration-300"></i>
                        </button>
                        <div class="accordion-content px-6 pb-6">
                            <div class="text-white/70 space-y-3">
                                <p>为保障您的交易安全，请注意以下事项：</p>
                                <p>1. 仅通过平台提供的聊天工具与交易对手沟通，避免私下交易</p>
                                <p>2. 确认收款后再释放USDT，不要轻信任何声称"支付异常"的信息</p>
                                <p>3. 定期修改账户密码，设置强度较高的密码</p>
                                <p>4. 开启两步验证，增加账户安全性</p>
                                <p>5. 注意防范钓鱼链接和诈骗信息，平台不会通过非官方渠道联系您</p>
                                <p>6. 交易前查看交易对手的信用评级和历史评价，选择可靠的交易对象</p>
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                                <p>2. 如果协商无果，任何一方可以在订单页面点击"申请客服介入"</p>
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                                <p>1. 普通用户：每笔交易收取0.5%的手续费</p>
                                <p>2. VIP用户：根据VIP等级不同，手续费率从0.4%到0.1%不等</p>
                                <p>3. 做市商：享受更低的手续费率，具体请联系客服咨询</p>
                                <p>手续费将从每次交易的金额中扣除，例如您出售1000 USDT，手续费为5 USDT，您实际收到的金额为995 USDT</p>
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                                <p>1. VIP1：累计交易量达到10,000 USDT，手续费率0.4%</p>
                                <p>2. VIP2：累计交易量达到50,000 USDT，手续费率0.3%</p>
                                <p>3. VIP3：累计交易量达到200,000 USDT，手续费率0.2%</p>
                                <p>4. VIP4：累计交易量达到1,000,000 USDT，手续费率0.1%</p>
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                                <p>1. 单笔提现金额 ≤ 10,000 CNY：手续费5 CNY</p>
                                <p>2. 10,000 CNY < 单笔提现金额 ≤ 50,000 CNY：手续费10 CNY</p>
                                <p>3. 单笔提现金额 > 50,000 CNY：手续费20 CNY</p>
                                <p>提现处理时间为工作日9:00-18:00，非工作日申请的提现将顺延至下一个工作日处理</p>
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                                <p>除交易手续费和提现手续费外，平台不收取其他费用。请注意：</p>
                                <p>1. 充值USDT到平台钱包不收取手续费，但可能需要支付区块链网络的矿工费</p>
                                <p>2. 若交易发生争议，需要客服介入，不收取额外费用</p>
                                <p>3. 平台不会以任何理由要求您支付"解冻资金"、"保证金"等费用</p>
                                <p>4. 请警惕任何声称是平台客服并要求您转账的信息，这可能是诈骗</p>
                                <p>如有任何疑问，请通过平台官方渠道联系客服确认</p>
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